Hi All, A bit of self-promotion again :) I hope you don't find it out of topic, after all, some folks are using Carrot2 with Lucene and Solr, and Nutch has a Carrot2-based clustering plugin.
Staszek [EMAIL PROTECTED] ________________________________________________________________________________ Carrot2 Search Results Clustering Engine version 2.1 released Version 2.1 of the Java-based Open Source Search Results Clustering Engine called Carrot2 has been released. Carrot2 can fetch search results from a variety of sources and automatically organize (cluster) them into thematic categories using one of its specialized search results clustering algorithms. The 2.1 release comes with the Document Clustering Server that exposes Carrot2 clustering as an XML-RPC or REST service with convenient XML or JSON data formats enabling e.g. quick PHP, .NET or Ruby integration. The new release also adds new search results sources and many other improvements ( http://project.carrot2.org/release-2.1-notes.html). At the same time Carrot Search, the Carrot2 spin-off company, released version 1.2 of Lingo3G -- a high-performance document clustering engine offering hierarchical clustering, synonyms, label filtering and advanced tuning capabilities. For more information, please check Carrot2 live demo -- http://www.carrot2.org Carrot2 project website -- http://project.carrot2.org Release 2.1 notes -- http://project.carrot2.org/release-2.1-notes.html Carrot Search -- http://www.carrot-search.com